Best Known (42, 42+12, s)-Nets in Base 128
(42, 42+12, 1398358)-Net over F128 — Constructive and digital
Digital (42, 54, 1398358)-net over F128, using
- (u, u+v)-construction [i] based on
- digital (3, 9, 258)-net over F128, using
- (u, u+v)-construction [i] based on
- digital (0, 3, 129)-net over F128, using
- net from sequence [i] based on digital (0, 128)-sequence over F128, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F128 with g(F) = 0 and N(F) ≥ 129, using
- the rational function field F128(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 128)-sequence over F128, using
- digital (0, 6, 129)-net over F128, using
- net from sequence [i] based on digital (0, 128)-sequence over F128 (see above)
- digital (0, 3, 129)-net over F128, using
- (u, u+v)-construction [i] based on
- digital (33, 45, 1398100)-net over F128, using
- net defined by OOA [i] based on linear OOA(12845, 1398100, F128, 12, 12) (dual of [(1398100, 12), 16777155, 13]-NRT-code), using
- OA 6-folding and stacking [i] based on linear OA(12845, 8388600, F128, 12) (dual of [8388600, 8388555, 13]-code), using
- discarding factors / shortening the dual code based on linear OA(12845, large, F128, 12) (dual of [large, large−45, 13]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 9256395 | 1284−1, defining interval I = [0,11], and designed minimum distance d ≥ |I|+1 = 13 [i]
- discarding factors / shortening the dual code based on linear OA(12845, large, F128, 12) (dual of [large, large−45, 13]-code), using
- OA 6-folding and stacking [i] based on linear OA(12845, 8388600, F128, 12) (dual of [8388600, 8388555, 13]-code), using
- net defined by OOA [i] based on linear OOA(12845, 1398100, F128, 12, 12) (dual of [(1398100, 12), 16777155, 13]-NRT-code), using
- digital (3, 9, 258)-net over F128, using
(42, 42+12, 1419948)-Net in Base 128 — Constructive
(42, 54, 1419948)-net in base 128, using
- (u, u+v)-construction [i] based on
- (9, 15, 21848)-net in base 128, using
- net defined by OOA [i] based on OOA(12815, 21848, S128, 6, 6), using
- OA 3-folding and stacking [i] based on OA(12815, 65544, S128, 6), using
- discarding parts of the base [i] based on linear OA(25613, 65544, F256, 6) (dual of [65544, 65531, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(2) [i] based on
- linear OA(25611, 65536, F256, 6) (dual of [65536, 65525, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(2565, 65536, F256, 3) (dual of [65536, 65531, 4]-code or 65536-cap in PG(4,256)), using an extension Ce(2) of the primitive narrow-sense BCH-code C(I) with length 65535 = 2562−1, defining interval I = [1,2], and designed minimum distance d ≥ |I|+1 = 3 [i]
- linear OA(2562, 8, F256, 2) (dual of [8, 6, 3]-code or 8-arc in PG(1,256)), using
- discarding factors / shortening the dual code based on linear OA(2562, 256, F256, 2) (dual of [256, 254, 3]-code or 256-arc in PG(1,256)), using
- Reed–Solomon code RS(254,256) [i]
- discarding factors / shortening the dual code based on linear OA(2562, 256, F256, 2) (dual of [256, 254, 3]-code or 256-arc in PG(1,256)), using
- construction X applied to Ce(5) ⊂ Ce(2) [i] based on
- discarding parts of the base [i] based on linear OA(25613, 65544, F256, 6) (dual of [65544, 65531, 7]-code), using
- OA 3-folding and stacking [i] based on OA(12815, 65544, S128, 6), using
- net defined by OOA [i] based on OOA(12815, 21848, S128, 6, 6), using
- (27, 39, 1398100)-net in base 128, using
- net defined by OOA [i] based on OOA(12839, 1398100, S128, 12, 12), using
- OA 6-folding and stacking [i] based on OA(12839, 8388600, S128, 12), using
- discarding factors based on OA(12839, large, S128, 12), using
- discarding parts of the base [i] based on linear OA(25634, large, F256, 12) (dual of [large, large−34, 13]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,11], and designed minimum distance d ≥ |I|+1 = 13 [i]
- discarding parts of the base [i] based on linear OA(25634, large, F256, 12) (dual of [large, large−34, 13]-code), using
- discarding factors based on OA(12839, large, S128, 12), using
- OA 6-folding and stacking [i] based on OA(12839, 8388600, S128, 12), using
- net defined by OOA [i] based on OOA(12839, 1398100, S128, 12, 12), using
- (9, 15, 21848)-net in base 128, using
(42, 42+12, large)-Net over F128 — Digital
Digital (42, 54, large)-net over F128, using
- t-expansion [i] based on digital (40, 54, large)-net over F128, using
- 1 times m-reduction [i] based on digital (40, 55, large)-net over F128, using
(42, 42+12, large)-Net in Base 128 — Upper bound on s
There is no (42, 54, large)-net in base 128, because
- 10 times m-reduction [i] would yield (42, 44, large)-net in base 128, but